CDIL LM317 3-terminal 1a positive adjustable voltage regulator Datasheet

Continental Device India Limited
An ISO/TS 16949, ISO 9001 and ISO 14001 Certified Company
3-TERMINAL 1A POSITIVE ADJUSTABLE VOLTAGE REGULATOR
LM317
TO-220
Plastic Package
APPLICATIONS
The voltages available allow these Regulators to be used in Logic Systems, Instrumentation, Hi-Fi Audio
Circuits and other Solid State Electronic Equipment
FEATURES
Internal Short Circuit Protection and Internal Over Temperature Protection
ABSOLUTE MAXIMUM RATINGS (Ta=25ºC)
DESCRIPTION
Input Output Voltage Difference
Lead Temperature
Power Dissipation
Operating Temperature Range
Storage Temperature Range
SYMBOL
VI - VO
Tlead
PD
VALUE
40
230
Internal Limited
0 ~ 125
- 65 ~150
Tamb
Tstg
UNIT
V
ºC
ºC
ºC
ELECTRICAL CHARACTERISTICS
VI-VO=5V, 0ºC <TJ <125ºC, IO=500mA, (Max=1.5A, Pmax=20W, unless specified otherwise)
DESCRIPTION
SYMBOL
TEST CONDITION
MIN
Line Regulation
∆VO
Ta=25ºC, 3V<=VI -VO<=40V
TYP
Ta=0 -125ºC, 3V<=VI -VO<=40V
Load Regulation
Adjustable Pin Current
∆VO
Ta=25ºC,
VO<=6V
Adjustable Pin Current Change
Reference Voltage
VREF
Temperature Stability
Minimum Load Current for Regulation
STT
IL(min)
UNIT
0.04
%/V
0.07
%/V
25
mV
10mA<=IO<=IMAX
VO>=5V
0.5
%/VO
10mA<=IO<=IMAX
VO<=5V
70
mV
VO>=6V
1.5
%/VO
100
µA
5.0
µA
1.3
V
IADJ
∆IADJ
MAX
2.5V<=VI -VO<=40V,
10mA<=1O <=IMAX,
PD<=PMAX
3V<=VI -VO<=40V, 10mA<=1O
<=IMAX, PD<=PMAX
1.2
0.7
VI -VO=40V
%/VO
10
LM317Rev110205E
Continental Device India Limited
Data Sheet
Page 1 of 4
mA
3-TERMINAL 1A POSITIVE ADJUSTABLE VOLTAGE REGULATOR
LM317
TO-220
Plastic Package
ELECTRICAL CHARACTERISTICS
VI-VO=5V, 0ºC <TJ <125ºC, IO=500mA, (Max=1.5A, Pmax=20W, unless specified otherwise)
DESCRIPTION
Maximum Output Current
SYMBOL
IO(max)
TEST CONDITION
MIN
VI -VO=15V, PD<=PMAX
1.5
A
VI -VO=40V, PD<=PMAX,
Ta=25ºC
0.15
A
RMS Noise V.S% of Vout
eN
Ta=25ºC, 10Hz<= f<=10KHz
Ripple Rejection
RR
VO=10V, f=120Hz
Long Term Stability, TJ=THIGH
Junction to Case Thermal Resistance
ST
VO=10V, f=120Hz, CADJ=10µF
Ta=25ºC, 1000hr
Rth (j-c)
TYP
MAX
0.01
UNIT
%/VO
60
dB
66
dB
1.0
5.0
%
ºC/W
Note: Testing with low duty pulse should be used to aviod heating effect
LM317Rev110205E
Continental Device India Limited
Data Sheet
Page 2 of 4
LM317
TO-220
Plastic Package
LM317Rev110205E
Continental Device India Limited
Data Sheet
Page 3 of 4
Customer Notes
LM317
TO-220
Plastic Package
Disclaimer
The product information and the selection guides facilitate selection of the CDIL's Semiconductor Device(s) best suited for
application in your product(s) as per your requirement. It is recommended that you completely review our Data Sheet(s) so as to
confirm that the Device(s) meet functionality parameters for your application. The information furnished in the Data Sheet and on
the CDIL Web Site/CD are believed to be accurate and reliable. CDIL however, does not assume responsibility for inaccuracies or
incomplete information. Furthermore, CDIL does not assume liability whatsoever, arising out of the application or use of any
CDIL product; neither does it convey any license under its patent rights nor rights of others. These products are not designed for
use in life saving/support appliances or systems. CDIL customers selling these products (either as individual Semiconductor
Devices or incorporated in their end products), in any life saving/support appliances or systems or applications do so at their own
risk and CDIL will not be responsible for any damages resulting from such sale(s).
CDIL strives for continuous improvement and reserves the right to change the specifications of its products without prior notice.
CDIL is a registered Trademark of
Continental Device India Limited
C-120 Naraina Industrial Area, New Delhi 110 028, India.
Telephone + 91-11-2579 6150, 5141 1112 Fax + 91-11-2579 5290, 5141 1119
[email protected]
www.cdilsemi.com
LM317Rev110205E
Continental Device India Limited
Data Sheet
Page 4 of 4
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